Callie tool

Unit price calculator

Compare package value without opening a separate shopping calculator.

Callie keeps unit price beside sales tax, discounts, currency conversion, tip, bill split, and the main calculator.

Download Callie See what’s new in 2.0

Callie iPad bill split screen showing subtotal, tax, tip, and per-person totals.

Unit price calculator

Callie keeps unit price beside sales tax, discounts, currency conversion, tip, bill split, and the main calculator.

Price per unit

Compare value across packages, sizes, and quantities.

Custom quantities

Use the unit that matches the choice in front of you.

Everyday shopping

Keep quick value checks beside the rest of your money tools.

FAQ

Unit price calculator FAQ

Is this a separate web tool?

No. This page explains the Callie app feature so you can keep the tool close to the calculator you already use.

Does Callie require an account for this?

No. Callie does not require an account or sign-in for calculator, money, conversion, percentage, or date tools.

More Callie guides

Keep the next tool close.

Calculator Open guide Scientific Open guide Currency Open guide Unit Converter Open guide Money Tools Open guide Percentage Calculator Open guide Date Calculator Open guide Languages Open guide

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Download Callie for everyday math

Callie keeps calculator work, scientific mode, currency conversion, money tools, unit conversion, percentage math, and date tools together in one calm workspace.